CN212831822U

CN212831822U - Stretch device for winding film

Info

Publication number: CN212831822U
Application number: CN202020849416.1U
Authority: CN
Inventors: 顾菊方
Original assignee: Suzhou Kokon Electronic Co ltd
Current assignee: Suzhou Kokon Electronic Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-03-30
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a stretch film stretching device relates to the stretch relevant field of stretch film, for receiving on the stretching device among the solution prior art and can admit air between the membrane roller during operation winding membrane and form the bubble, can reduce product article accuse, and preserve unfavorable problem to the transportation. The both sides of shell body all are provided with the side fixed plate, one side two lower extreme between the side fixed plate is fixed with the side bottom plate, one side two be fixed with between the side fixed plate and receive the membrane roller, receive one side of membrane roller and install first motor along the side fixed plate outer end, the lower extreme of receiving the membrane roller is provided with the press mold roller, and the press mold roller set up length and be greater than receiving the setting length of membrane roller, side bottom plate upper end both sides are provided with pressure spring, and pressure spring's internally mounted has the attenuator, pressure spring's upper end is provided with the connecting plate, and the both sides of connecting plate upper end are provided with the connection piece, the second motor is installed along the connection piece.

Description

Stretch device for winding film

Technical Field

The utility model relates to a tensile relevant field of winding membrane specifically is a winding membrane stretching device.

Background

The winding film is called a stretching film or a heat shrinkage film, is used for selling and transporting various products, has the main functions of stabilizing, covering and protecting the products, and has higher puncture resistance, good contractibility and certain contraction stress, and the film can not generate holes in the contraction process; after the wrapping film is produced, the wrapping film needs to be stretched to the maximum extent, so that the goods can be packaged more firmly in use.

The stretching device stretches the winding film to the maximum extent after the winding film is produced, but when the stretched winding film is wound, air enters the winding film on the film collecting roller and the winding film to be wound, and the wound winding film is tightly attached to the wound winding film, so that air bubbles exist between the winding film on the film collecting roller, the product quality control is reduced, and the air bubbles are easily damaged after being pressurized; therefore, the market is urgently needed to develop a winding film stretching device to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stretch film stretching device to receive on the stretch device who proposes in solving above-mentioned background art and can admit air between the membrane roller during operation winding membrane and form the bubble, can reduce product article accuse, and preserve unfavorable problem to the transportation.

In order to achieve the above object, the utility model provides a following technical scheme: a stretch device for a winding film comprises a shell, wherein side fixing plates are arranged on two sides of the shell, the side fixing plates are fixedly connected with the shell, the number of the side fixing plates is four, a side bottom plate is fixed at the lower end between the two side fixing plates on one side, a film collecting roller is fixed between the two side fixing plates on one side, a first motor is installed on one side of the film collecting roller along the outer end of the side fixing plates, the first motor is installed at the upper end of one side of the side fixing plate, a film pressing roller is arranged at the lower end of the film collecting roller, the setting length of the film pressing roller is larger than that of the film collecting roller, pressure springs are arranged on two sides of the upper end of the side bottom plate, dampers are installed inside the pressure springs, a connecting plate is arranged at the upper end of each pressure spring, connecting plates are arranged on two sides of the upper end of, an output shaft of the second motor penetrates through the connecting sheet to be fixedly connected with the film pressing roller.

Preferably, one side of the inside of the outer shell is provided with two film conveying rollers, the other side of the inside of the outer shell is provided with two film collecting conveying rollers, the two film collecting conveying rollers are arranged, and the film conveying rollers and the film collecting conveying rollers are the same in height.

Preferably, a first pre-stretching roller, a second pre-stretching roller, a first stretching roller and a second stretching roller are sequentially arranged in the middle of the outer shell from right to left, the upper and lower positions of the first pre-stretching roller, the second pre-stretching roller, the first stretching roller and the second stretching roller are staggered, the distance between the film conveying roller and the first pre-stretching roller, the distance between the first pre-stretching roller and the second pre-stretching roller, the distance between the second pre-stretching roller and the first stretching roller, the distance between the first stretching roller and the second stretching roller are sequentially enlarged, a film winding roll fixing roller is fixed between the two side fixing plates on the other side, an air cylinder is installed between the upper end of the first stretching roller and the lower end of the second stretching roller, the air cylinder is fixedly connected with the inner wall of the outer shell, a supporting plate is arranged on a piston rod of the air cylinder, fixing plates are arranged at the front and rear ends of one end of the supporting plate, and the first stretching roller, the first stretching roller and the second stretching roller are rotatably connected with the fixing sheet.

Preferably, the both ends that the fixed roll was rolled up to the winding membrane and receive the membrane roller all are provided with fixed end, install ball bearing on the fixed end at fixed roll both ends and the fixed end of front end were rolled up to the winding membrane were rolled up and is received the membrane roller, ball bearing's one end is provided with first screw rod, first screw rod and ball bearing fixed connection, the one end of first screw rod is provided with a regulating handle.

Preferably, the middle of fixed end one end is provided with the embedding part, the outside of fixed end one end is provided with outer loop portion, fixed end, embedding part and outer loop portion integrated into one piece, be provided with the fixed briquetting between embedding part and the outer loop portion, the outside of fixed briquetting is fixed with the second screw rod, the outside of second screw rod is fixed with second adjusting hand wheel, and the second screw rod passes through threaded connection with outer loop portion, and the second screw rod is outside to be provided with lock nut along the outer loop portion outside.

Preferably, the lower extreme of shell body is provided with the base, the centre of shell body front end is provided with the observation window.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a in, the winding membrane after the drawing is accomplished is received the membrane roller roll-up through receiving the membrane conveying roller, before the winding membrane parcel is received the membrane roller, the press mold roller rotates through the work of second motor, in addition pressure spring's effect, make the press mold roller laminate the outside of winding membrane on receiving the membrane roller all the time and compress tightly the winding membrane, before the winding membrane parcel, through the press mold roller to the outside extrusion of winding membrane on receiving the membrane roller, extrude the bubble that forms between the winding membrane, extrude the winding membrane book with the air, accomplish tensile rolling work, it can admit air between the winding membrane and form the bubble to have solved when the winding membrane is rolled, can reduce product quality control, and keep unfavorable problem for the transportation;

2. in the utility model, the film conveying roller is used for leveling the conveying track of the winding film, the film conveying roller is conveyed to the first pre-stretching roller, the first pre-stretching roller is pre-stretched to the second pre-stretching roller, the second pre-stretching roller is pre-stretched to the first stretching roller, and the track between the first stretching roller and the second stretching roller is gradually enlarged, so that the tensile strength of the winding film is gradually enlarged, excessive stretching at one time is avoided, and the height of the first stretching roller and the height of the second stretching roller can be correspondingly adjusted through the work of the cylinder piston rod, so that the tensile strength of the winding film is adjusted, and the winding film after production is stretched to the maximum extent;

3. the utility model changes the motion trail of the winding film into a horizontal state when the winding film is fed or is about to be discharged through the arrangement of the film feeding roller and the film collecting roller, so that the winding film is conveyed and fed more smoothly before the winding film enters the stretching step and the winding work;

4. the utility model discloses an in, when the core is rolled up to fixed winding membrane book or new membrane, rotate the first adjusting hand wheel of winding membrane book both sides, make first screw rod along the side-fixing board to the both sides motion, distance increase between two fixed ends, in the embedding portion embedding winding membrane book of winding membrane book fixed roll, the outer loop is located the book core outside that the winding membrane was rolled up, it makes two fixed ends move to the inboard to rotate first adjusting hand wheel, press from both sides tight winding membrane book, rotate second adjusting hand wheel again and make the second screw rod rotate, thereby make fixed briquetting press and carry out the secondary outside the book core that the winding membrane was rolled up and fix, it is better to compare in the fixed effect of the present only embedded tight fixed mode of clamp, the appearance of phenomenon of skidding when having reduced to rotate.

Drawings

Fig. 1 is an internal structure view of a stretch device for wrapping film according to the present invention;

fig. 2 is a front view of a stretch device for wrapping film according to the present invention;

fig. 3 is a side view of a stretch device for wrapping film according to the present invention;

fig. 4 is a partial structure view of the winding film roll fixing roll and the winding film roll of the present invention.

In the figure: 1. a base; 2. an outer housing; 3. a side fixing plate; 4. a side floor; 5. winding a film roll fixing roller; 6. conveying a film and conveying rollers; 7. a first pre-stretching roller; 8. a second pre-stretching roller; 9. a first stretching roller; 10. a second stretching roller; 11. a cylinder; 12. a film collecting conveying roller; 13. a film collecting roller; 14. A film pressing roller; 15. a connecting plate; 16. a pressure spring; 17. a first adjusting hand wheel; 18. an observation window; 19. a first motor; 20. a second motor; 21. a first screw; 22. a ball bearing; 23. fixing the end head; 24. an insertion section; 25. an outer ring portion; 26. a second screw; 27. fixing a pressing block; 28. a second adjusting hand wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a stretch device for a winding film comprises a shell body 2, wherein side fixing plates 3 are arranged on two sides of the shell body 2, the side fixing plates 3 are fixedly connected with the shell body 2, four side fixing plates 3 are arranged, a side bottom plate 4 is fixed at the lower end between the two side fixing plates 3 on one side, a film collecting roller 13 is fixed between the two side fixing plates 3 on one side, a first motor 19 is installed at one side of the film collecting roller 13 along the outer end of the side fixing plates 3, the first motor 19 is installed at the upper end of the side fixing plate 3 on one side, a film pressing roller 14 is arranged at the lower end of the film collecting roller 13, bubbles formed between the winding films are extruded, air is extruded out of the winding film roll to complete stretching and winding work, the setting length of the film pressing roller 14 is greater than that of the film collecting roller 13, the main body length of the film pressing roller 14 is greater than that of a film winding core fixed on the film collecting roller 13, pressure spring 16 is arranged on two sides of the upper end of side bottom plate 4, a damper is arranged inside pressure spring 16, a connecting plate 15 is arranged on the upper end of pressure spring 16, connecting plates are arranged on two sides of the upper end of connecting plate 15, film pressing roller 14 is located between the two connecting plates, second motor 20 is arranged on one side of film pressing roller 14 along the outer end of the connecting plate, and the output shaft of second motor 20 penetrates through the connecting plate and is fixedly connected with film pressing roller 14.

Further, inside one side of shell body 2 is provided with send membrane conveying roller 6, send membrane conveying roller 6 to be provided with two, the inside opposite side of shell body 2 is provided with receipts membrane conveying roller 12, it is provided with two to receive membrane conveying roller 12, send membrane conveying roller 6 and receive the height of membrane conveying roller 12 the same, change the movement track of winding membrane into the horizontality when the feeding of winding membrane or be about to the ejection of compact, make winding membrane surface more smooth transport get into before the winding membrane gets into tensile step and before the rolling work like this.

Further, a first pre-stretching roller 7, a second pre-stretching roller 8, a first stretching roller 9 and a second stretching roller 10 are sequentially arranged in the middle of the inner part of the outer shell 2 from right to left, the upper and lower positions of the first pre-stretching roller 7, the second pre-stretching roller 8, the first stretching roller 9 and the second stretching roller 10 are staggered, the distance between the film feeding roller 6 and the first pre-stretching roller 7, the distance between the first pre-stretching roller 7 and the second pre-stretching roller 8, the distance between the second pre-stretching roller 8 and the first stretching roller 9, the distance between the first stretching roller 9 and the first stretching roller 10 are sequentially enlarged, the stretching strength of the wound film is gradually enlarged, primary stretching transition is avoided, a wound film roll fixing roller 5 is fixed between the two side fixing plates 3 on the other side, an air cylinder 11 is arranged at the upper end of the first stretching roller 9 and the lower end of the second stretching roller 10, the work of a piston rod of the air cylinder 11 can correspondingly adjust the heights of the first stretching roller 9 and the second stretching, thereby adjust the tensile strength of winding membrane, can carry out furthest's drawing to the winding membrane after finishing production, the inner wall fixed connection of cylinder 11 and shell body 2 is provided with the backup pad on the piston rod of cylinder 11, and both ends are provided with the stationary blade around the backup pad one end, and first tensile roller 9 and second tensile roller 10 are located between two stationary blades, and first tensile roller 9 and second tensile roller 10 rotate with the stationary blade to be connected.

Further, both ends of the winding film roll fixing roller 5 and the winding film roller 13 are provided with fixing end heads 23, the fixing end heads 23 at both ends of the winding film roll fixing roller 5 and the fixing end head 23 at the front end of the winding film roller 13 are provided with ball bearings 22, the fixing end head 23 at the rear end of the winding film roller 13 is fixed with an output shaft of the first motor 19, the output shaft of the first motor 19 drives the winding film roller 13 to rotate under the work of the first motor 19, the winding is rotated, one end of each ball bearing 22 is provided with a first screw rod 21, the ball bearings 22 are arranged in a way that the first screw rods 21 at the adjusting positions are not rotated and separated along with the rotation of the winding film roll fixing roller 5 and the winding film roller 13, the first screw rods 21 are fixedly connected with the ball bearings 22, and one end of each first screw rod 21 is provided with a first adjusting hand wheel 17.

Further, an embedding part 24 is arranged in the middle of one end of the fixed end head 23, an outer ring part 25 is arranged on the outer side of one end of the fixed end head 23, the embedding part 24 and the outer ring part 25 are integrally formed, a fixed pressing block 27 is arranged between the embedding part 24 and the outer ring part 25, a second screw 26 is fixed on the outer side of the fixed pressing block 27, a second adjusting hand wheel 28 is fixed on the outer side of the second screw 26, the second screw 26 is in threaded connection with the outer ring part 25, and a locking nut is arranged outside the second screw 26 along the outer side of the outer ring part 25.

Further, the lower end of the outer shell 2 is provided with a base 1, and the middle of the front end of the outer shell 2 is provided with an observation window 18.

The working principle is as follows: when the film winding device is used, the first adjusting hand wheels 17 at two sides of the winding film roll are rotated to enable the first screw rods 21 to move towards two sides along the side fixing plates 3, the distance between the two fixing end heads 23 is increased, the embedding parts 24 of the winding film roll fixing rollers 5 are embedded into the winding film roll, the outer ring part 25 is positioned at the outer side of the winding core of the winding film roll, the first adjusting hand wheel 17 is rotated to enable the two fixing end heads 23 to move inwards to clamp the winding film roll, the second adjusting hand wheel 28 is rotated to enable the second screw rod 26 to rotate, so that the fixing pressing block 27 is pressed outside the winding core of the winding film roll to carry out secondary fixing, an empty film roll core is fixed on the film collecting roller 13 in the same way, the fixing end head 23 at one side of the film collecting roller 13 is fixed, the film roll core side is firstly fixed inside and outside through the embedding parts 24 and the fixing pressing block 27, the first adjusting hand wheel 17 at the front end is rotated, the outer ring part 25 is positioned outside the winding core of the winding film roll, and the second adjusting hand wheel 28 is adjusted to enable the fixed pressing block 27 to be pressed outside the winding core of the winding film roll for secondary fixing. The film wound on the post-drawing wound film roll passes through the film feeding and conveying roll 6, the first pre-stretching roll 7, the second pre-stretching roll 8, the first stretching roll 9, the second stretching roll 10 and the film collecting and conveying roll 12 in sequence, and is then wound by the film collecting roll 13. The conveying track of the wound film is horizontal through the film conveying and conveying roller 6, the tracks between the film conveying and conveying roller 6 and the first pre-stretching roller 7, between the first pre-stretching roller 7 and the second pre-stretching roller 8, between the second pre-stretching roller 8 and the first stretching roller 9 and between the first stretching roller 9 and the second stretching roller 10 are gradually enlarged, the tensile strength of the wound film is gradually enlarged, one-time excessive stretching is avoided, the heights of the first stretching roller 9 and the second stretching roller 10 can be correspondingly adjusted through the work of the air cylinder 11 pair, the tensile strength of the wound film is adjusted, the wound film after stretching is wound by the film collecting and conveying roller 13 through the film collecting and conveying roller 12, the film pressing roller 14 rotates through the work of the second motor 20 before the wound film is wrapped on the film collecting roller 13, the effect of the pressure spring 16 is added, the film pressing roller 14 is always attached to the outer wound film wound on the film collecting roller 13, before the wound film is wrapped, the film pressing roller 14 extrudes air bubbles formed between the winding films under the extrusion effect of the winding film outside the film collecting roller 13, and the winding film roll is extruded by air to complete the stretching and winding work.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A stretch device for a wrapping film, comprising an outer case (2), characterized in that: both sides of the shell body (2) are provided with side fixing plates (3), the side fixing plates (3) are fixedly connected with the shell body (2), the side fixing plates (3) are provided with four, one side of each side fixing plate is provided with a side bottom plate (4) at the lower end between the side fixing plates (3), one side of each side fixing plate is provided with a film collecting roller (13), one side of each film collecting roller (13) is provided with a first motor (19) along the outer end of the side fixing plate (3), the first motor (19) is installed at the upper end of the side fixing plate (3), the lower end of each film collecting roller (13) is provided with a film pressing roller (14), the setting length of the film pressing roller (14) is greater than that of the film collecting roller (13), both sides of the upper end of the side bottom plates (4) are provided with pressure springs (16), the inside of the pressure springs (16) is provided with dampers, the upper ends of the pressure springs (16, the both sides of connecting plate (15) upper end are provided with the connection piece, and press mold roller (14) are located between two connection pieces, second motor (20) are installed along the connection piece outer end to press mold roller (14) one side, and the output shaft of second motor (20) passes connection piece and press mold roller (14) fixed connection.

2. The wrapping film stretching apparatus as claimed in claim 1, wherein: the film conveying device is characterized in that a film conveying roller (6) is arranged on one side inside the outer shell (2), two film conveying rollers (6) are arranged, a film collecting conveying roller (12) is arranged on the other side inside the outer shell (2), two film collecting conveying rollers (12) are arranged, and the film conveying roller (6) and the film collecting conveying roller (12) are identical in height.

3. The wrapping film stretching apparatus as claimed in claim 2, wherein: a first pre-stretching roller (7), a second pre-stretching roller (8), a first stretching roller (9) and a second stretching roller (10) are sequentially arranged in the middle of the inner part of the outer shell (2) from right to left, the upper and lower positions of the first pre-stretching roller (7), the second pre-stretching roller (8), the first stretching roller (9) and the second stretching roller (10) are staggered, the distance from a film feeding conveying roller (6) to the first pre-stretching roller (7), the distance from the first pre-stretching roller (7) to the second pre-stretching roller (8), the distance from the second pre-stretching roller (8) to the first stretching roller (9) and the distance from the first stretching roller (9) to the second stretching roller (10) are sequentially enlarged, a film winding roll fixing roller (5) is fixed between two side fixing plates (3) on the other side, and an air cylinder (11) is arranged at the upper end of the first stretching roller (9) and the lower end of the second stretching roller (10), the inner wall fixed connection of cylinder (11) and shell body (2), be provided with the backup pad on the piston rod of cylinder (11), both ends are provided with the stationary blade around backup pad one end, and first tensile roller (9) and second tensile roller (10) are located between two stationary blades, and first tensile roller (9) and second tensile roller (10) rotate with the stationary blade to be connected.

4. A wrapping film stretching apparatus as set forth in claim 3, wherein: the winding film is rolled up fixed roll (5) and is received the both ends of membrane roller (13) and all be provided with fixed end (23), install ball bearing (22) on fixed end (23) at fixed roll (5) both ends and the fixed end (23) of receiving membrane roller (13) front end are rolled up to the winding film, the one end of ball bearing (22) is provided with first screw rod (21), first screw rod (21) and ball bearing (22) fixed connection, the one end of first screw rod (21) is provided with first adjusting hand wheel (17).

5. The wrapping film stretching apparatus as claimed in claim 4, wherein: the middle of fixed end (23) one end is provided with embedding portion (24), the outside of fixed end (23) one end is provided with outer ring portion (25), fixed end (23), embedding portion (24) and outer ring portion (25) integrated into one piece, be provided with fixed briquetting (27) between embedding portion (24) and outer ring portion (25), the outside of fixed briquetting (27) is fixed with second screw rod (26), the outside of second screw rod (26) is fixed with second adjusting hand wheel (28), and threaded connection is passed through with outer ring portion (25) in second screw rod (26), and second screw rod (26) outside is provided with lock nut along outer ring portion (25) outside.

6. The wrapping film stretching apparatus as claimed in claim 1, wherein: the lower extreme of shell body (2) is provided with base (1), the centre of shell body (2) front end is provided with observation window (18).